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<li class="navelem"><a class="el" href="../../d2/d75/namespacecv.html">cv</a></li><li class="navelem"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html">MatAllocator</a></li>  </ul>
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<p>Custom array allocator.  
 <a href="../../df/d4c/classcv_1_1MatAllocator.html#details">More...</a></p>

<p><code>#include &lt;opencv2/core/mat.hpp&gt;</code></p>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a279cc239b836c7f06e60de9d00f8f73f"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#a279cc239b836c7f06e60de9d00f8f73f">MatAllocator</a> ()</td></tr>
<tr class="separator:a279cc239b836c7f06e60de9d00f8f73f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5dd1a70ba6058cc5a4de47bf9451d084"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#a5dd1a70ba6058cc5a4de47bf9451d084">~MatAllocator</a> ()</td></tr>
<tr class="separator:a5dd1a70ba6058cc5a4de47bf9451d084"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa45256af121fb6573c665adb113b68b8"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#aa45256af121fb6573c665adb113b68b8">allocate</a> (int dims, const int *sizes, int type, void *data, size_t *step, <a class="el" href="../../dc/d84/group__core__basic.html#ga6226c29c7b0e7bda7aff72e96ba8e1df">AccessFlag</a> flags, <a class="el" href="../../dc/d84/group__core__basic.html#ga5681439dda418431eb0a672697135ed2">UMatUsageFlags</a> usageFlags) const =0</td></tr>
<tr class="separator:aa45256af121fb6573c665adb113b68b8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acffc4f4d2141b44aff63cc136d79e494"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#acffc4f4d2141b44aff63cc136d79e494">allocate</a> (<a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *data, <a class="el" href="../../dc/d84/group__core__basic.html#ga6226c29c7b0e7bda7aff72e96ba8e1df">AccessFlag</a> accessflags, <a class="el" href="../../dc/d84/group__core__basic.html#ga5681439dda418431eb0a672697135ed2">UMatUsageFlags</a> usageFlags) const =0</td></tr>
<tr class="separator:acffc4f4d2141b44aff63cc136d79e494"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3e21a51c4abc87e28025ebdfca98ca3d"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#a3e21a51c4abc87e28025ebdfca98ca3d">copy</a> (<a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *srcdata, <a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *dstdata, int dims, const size_t sz[], const size_t srcofs[], const size_t srcstep[], const size_t dstofs[], const size_t dststep[], bool sync) const</td></tr>
<tr class="separator:a3e21a51c4abc87e28025ebdfca98ca3d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae1fc4401763093dbd126570562a3e0f1"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#ae1fc4401763093dbd126570562a3e0f1">deallocate</a> (<a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *data) const =0</td></tr>
<tr class="separator:ae1fc4401763093dbd126570562a3e0f1"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7e71003dc04d6e3b1ec6eb884a6b541a"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#a7e71003dc04d6e3b1ec6eb884a6b541a">download</a> (<a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *data, void *dst, int dims, const size_t sz[], const size_t srcofs[], const size_t srcstep[], const size_t dststep[]) const</td></tr>
<tr class="separator:a7e71003dc04d6e3b1ec6eb884a6b541a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a22e35b7a843280c15308133f6787fdb6"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="../../d4/dad/classcv_1_1BufferPoolController.html">BufferPoolController</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#a22e35b7a843280c15308133f6787fdb6">getBufferPoolController</a> (const char *id=NULL) const</td></tr>
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<tr class="memitem:ad56f6160283a96780a3d02bc34595151"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#ad56f6160283a96780a3d02bc34595151">map</a> (<a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *data, <a class="el" href="../../dc/d84/group__core__basic.html#ga6226c29c7b0e7bda7aff72e96ba8e1df">AccessFlag</a> accessflags) const</td></tr>
<tr class="separator:ad56f6160283a96780a3d02bc34595151"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab806034807801d5da3fa8ddebfb1002b"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#ab806034807801d5da3fa8ddebfb1002b">unmap</a> (<a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *data) const</td></tr>
<tr class="separator:ab806034807801d5da3fa8ddebfb1002b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aaaa2cf4844bcfd1fc6e3076647e0e43c"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/d4c/classcv_1_1MatAllocator.html#aaaa2cf4844bcfd1fc6e3076647e0e43c">upload</a> (<a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *data, const void *src, int dims, const size_t sz[], const size_t dstofs[], const size_t dststep[], const size_t srcstep[]) const</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Custom array allocator. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a279cc239b836c7f06e60de9d00f8f73f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a279cc239b836c7f06e60de9d00f8f73f">&#9670;&nbsp;</a></span>MatAllocator()</h2>

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          <td class="memname">cv::MatAllocator::MatAllocator </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
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<h2 class="memtitle"><span class="permalink"><a href="#a5dd1a70ba6058cc5a4de47bf9451d084">&#9670;&nbsp;</a></span>~MatAllocator()</h2>

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          <td class="memname">virtual cv::MatAllocator::~MatAllocator </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="aa45256af121fb6573c665adb113b68b8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa45256af121fb6573c665adb113b68b8">&#9670;&nbsp;</a></span>allocate() <span class="overload">[1/2]</span></h2>

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          <td class="memname">virtual <a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a>* cv::MatAllocator::allocate </td>
          <td>(</td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>dims</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const int *&#160;</td>
          <td class="paramname"><em>sizes</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>type</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&#160;</td>
          <td class="paramname"><em>data</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t *&#160;</td>
          <td class="paramname"><em>step</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga6226c29c7b0e7bda7aff72e96ba8e1df">AccessFlag</a>&#160;</td>
          <td class="paramname"><em>flags</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga5681439dda418431eb0a672697135ed2">UMatUsageFlags</a>&#160;</td>
          <td class="paramname"><em>usageFlags</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span>  </td>
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<a id="acffc4f4d2141b44aff63cc136d79e494"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acffc4f4d2141b44aff63cc136d79e494">&#9670;&nbsp;</a></span>allocate() <span class="overload">[2/2]</span></h2>

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          <td class="memname">virtual bool cv::MatAllocator::allocate </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *&#160;</td>
          <td class="paramname"><em>data</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga6226c29c7b0e7bda7aff72e96ba8e1df">AccessFlag</a>&#160;</td>
          <td class="paramname"><em>accessflags</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga5681439dda418431eb0a672697135ed2">UMatUsageFlags</a>&#160;</td>
          <td class="paramname"><em>usageFlags</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const</td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span>  </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a3e21a51c4abc87e28025ebdfca98ca3d">&#9670;&nbsp;</a></span>copy()</h2>

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          <td class="memname">virtual void cv::MatAllocator::copy </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *&#160;</td>
          <td class="paramname"><em>srcdata</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *&#160;</td>
          <td class="paramname"><em>dstdata</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>dims</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const size_t&#160;</td>
          <td class="paramname"><em>sz</em>[], </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const size_t&#160;</td>
          <td class="paramname"><em>srcofs</em>[], </td>
        </tr>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const size_t&#160;</td>
          <td class="paramname"><em>srcstep</em>[], </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const size_t&#160;</td>
          <td class="paramname"><em>dstofs</em>[], </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const size_t&#160;</td>
          <td class="paramname"><em>dststep</em>[], </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>sync</em>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td> const</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ae1fc4401763093dbd126570562a3e0f1">&#9670;&nbsp;</a></span>deallocate()</h2>

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          <td class="memname">virtual void cv::MatAllocator::deallocate </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *&#160;</td>
          <td class="paramname"><em>data</em></td><td>)</td>
          <td> const</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a7e71003dc04d6e3b1ec6eb884a6b541a">&#9670;&nbsp;</a></span>download()</h2>

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          <td class="memname">virtual void cv::MatAllocator::download </td>
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<h2 class="memtitle"><span class="permalink"><a href="#a22e35b7a843280c15308133f6787fdb6">&#9670;&nbsp;</a></span>getBufferPoolController()</h2>

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          <td class="memname">virtual <a class="el" href="../../d4/dad/classcv_1_1BufferPoolController.html">BufferPoolController</a>* cv::MatAllocator::getBufferPoolController </td>
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<h2 class="memtitle"><span class="permalink"><a href="#ad56f6160283a96780a3d02bc34595151">&#9670;&nbsp;</a></span>map()</h2>

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          <td class="memname">virtual void cv::MatAllocator::map </td>
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          <td class="paramtype"><a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *&#160;</td>
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          <td class="paramtype"><a class="el" href="../../dc/d84/group__core__basic.html#ga6226c29c7b0e7bda7aff72e96ba8e1df">AccessFlag</a>&#160;</td>
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<h2 class="memtitle"><span class="permalink"><a href="#ab806034807801d5da3fa8ddebfb1002b">&#9670;&nbsp;</a></span>unmap()</h2>

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          <td class="memname">virtual void cv::MatAllocator::unmap </td>
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          <td class="paramtype"><a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *&#160;</td>
          <td class="paramname"><em>data</em></td><td>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#aaaa2cf4844bcfd1fc6e3076647e0e43c">&#9670;&nbsp;</a></span>upload()</h2>

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          <td class="memname">virtual void cv::MatAllocator::upload </td>
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          <td class="paramtype"><a class="el" href="../../db/d58/structcv_1_1UMatData.html">UMatData</a> *&#160;</td>
          <td class="paramname"><em>data</em>, </td>
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          <td class="paramtype">int&#160;</td>
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          <td class="paramtype">const size_t&#160;</td>
          <td class="paramname"><em>sz</em>[], </td>
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          <td class="paramtype">const size_t&#160;</td>
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          <td class="paramtype">const size_t&#160;</td>
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          <td>)</td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>opencv2/core/<a class="el" href="../../d3/d82/core_2include_2opencv2_2core_2mat_8hpp.html">mat.hpp</a></li>
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